Esophageal CarcinomaNeo-DRATECNCT03381651
Different Radiation Dose of Neoadjuvant Chemoradiation for Resectable Thoracic Esophageal Squamous Carcinoma
A study testing Higher dose (50.4Gy/28F) of neoadjuvant chemoradiation and Lower dose (41.4Gy/23F) of neoadjuvant chemoradiation in people with Esophageal Carcinoma and Neoadjuvant Chemoradiotherapy, run by Zhejiang Cancer Hospital at 2 sites in China.
Trial summary
Esophageal cancer is one of the most common cancers worldwide, while more than half new cases and deaths occurred in China. Surgery is the main curative treatment for this disease, the 5-year survival of EC remains poor, since most diseases are diagnosed at advanced stages. Read more about this study
- Who is it for?
- Ages 18 to 75 years
- Conditions the study is for
- Esophageal Carcinoma, Neoadjuvant Chemoradiotherapy, Surgery
- What is being tested?
- Higher dose (50.4Gy/28F) of neoadjuvant chemoradiation and Lower dose (41.4Gy/23F) of neoadjuvant chemoradiation
- Type of treatment
- Surgery or procedure
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 147 participants
- Where
- 2 sitesChina
- Study dates
- 22 Feb 2018to 22 Feb 2023
- Phase
- Interventional
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 75 years
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Age:18-70 years
- Histologically verified squamous carcinoma of the thoracic esophagus.
- Patients with performance status 0-1 according to the Eastern Cooperative Oncology Group (ECOG) scale at the pre CRT evaluation and judges to be fit for surgery at the pre and post CRT evaluations.
- Tumors should be resectable or potentially resectable and without distant metastasis, as assessed before neoadjuvant CRT, including clinical stage T2-4N0M0 or T1-4N1M0 according to the 6th AJCC system.
- Joined the study voluntarily and signed informed consent form
- No surgical contraindications
- No serious system dysfunction and immuno-deficiency, Adequate organ function including the following: Hemoglobin ≥10 g/dL, Neutrophils (ANC )≥1.5x109/L, platelet count ≥100x 109/L, TBIL<1.5 x ULN, ALT and AST ≤ 2.5 x ULN, creatinine≤1.5 x ULN
Who cannot join
- Cervical esophageal cancer (The upper end of the lesion is in the esophagus of the cervical segment).
- Patients with biopsy (by endoscopic ultrasound, laparoscopy, or laparotomy) proven metastatic supraclavicular or celiac nodes are ineligible.
- Invasion of the tracheobronchial tree or aorta
- Tracheoesophageal fistula
- Concurrent pregnancy or lactation
- Severe diabetes mellitus with poor blood glucose control
Show all 10Show fewer
- History of a second malignancy
- Patients being unable to undergo esophageal reconstruction with gastric tube, due to prior surgery.
- Patients undergoing esophageal reconstruction with jejunum.
- Patients have allergy reaction or contraindications to taxanes.
Trial locations and contacts
2 sites in 1 country.
China2 sites
Zhejiang Cancer Hospital
Hangzhou, Zhejiang, 310022
Zhejiang Cancer Hospital
Hangzhou, Zhejiang
About this study
Official title: Different Radiation Dose of Neoadjuvant Chemoradiation Followed by Surgery in Treating Patients with Locally Advanced, Resectable Thoracic Esophageal Cancer
Esophageal cancer is one of the most common cancers worldwide, while more than half new cases and deaths occurred in China. Surgery is the main curative treatment for this disease, the 5-year survival of EC remains poor, since most diseases are diagnosed at advanced stages.
In last decades, several large clinical trials and meta-analyses have demonstrated that neo-adjuvant chemoradiotherapy followed by surgery can significantly increase the overall survival of patients with EC compared with surgery alone, while no effect of nCRT was apparent on postoperative health-related quality of life . However, the optimal radiation dose and surgery timing are still unknown.
The investigators hypothesize that patients who receive higher dose (50.4Gy/28F) of neoadjuvant chemoradiation will have better pathologic response and progress-free survival compared to lower dose (41.4Gy/23F) of chemoradiation followed by surgery.
- Conditions
- Esophageal Carcinoma, Neoadjuvant Chemoradiotherapy, Surgery
- Being tested
- Higher dose (50.4Gy/28F) of neoadjuvant chemoradiation, Lower dose (41.4Gy/23F) of neoadjuvant chemoradiation
- Keywords
- Radiation dose
- Medical subject headings
- Esophageal Neoplasms
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Higher dose (50.4Gy/28F) of neoadjuvant chemoradiationRadiation
50.4Gy/28F radiation and concurrent chemotherapy with paclitaxel plus CBP used weekly
Lower dose (41.4Gy/23F) of neoadjuvant chemoradiationRadiation
41.4Gy/23F radiation and concurrent chemotherapy with paclitaxel plus CBP used weekly
| Study group | Role | What they receive |
|---|---|---|
| Higher dose (50.4Gy/28F) of neoadjuvant chemoradiation | Active comparator | Neoadjuvant chemoradiation: RT: 50.4Gy/28F/5.6W; CT: paclitaxel 50mg/m2 d1, qw + CBP AUC2 d1, qw, weekly for 6 wks; Surgery: 4-6 weeks after nCRT Receives: Radiation: Higher dose (50.4Gy/28F) of neoadjuvant chemoradiation |
| Lower dose (41.4Gy/23F) of neoadjuvant chemoradiation | Active comparator | Neoadjuvant chemoradiation: RT: 41.4Gy/23F/4.6W; CT: paclitaxel 50mg/m2 d1, qw + CBP AUC2 d1, qw, weekly for 5 wks; Surgery: 4-6 weeks after nCRT Receives: Radiation: Lower dose (41.4Gy/23F) of neoadjuvant chemoradiation |
What is being measured
The primary outcome is the main question the study is designed to answer.
Progression free survival
Time from randomization to tumor progression or any deaths
Measured: 2 year
Secondary outcomes (5)
R0 resection rate in each arm
no cancer cells seen microscopically at the resection margin
Measured: analysis is completed 4 weeks after surgery
Complete pathological response rate
using the Chirieac grading system
Measured: analysis is completed 4 weeks after surgery
Postoperative complications in each study arm
According to the NCI CTC3.0
Measured: 30 and 90 days after surgery
Treatment failure pattern
including local recurrence or distant metastasis or both
Measured: 2 year
Overall survival
by intention to treat and per protocol analyses in each study arm
Measured: 5 year
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted22 Dec 2017
- Study start22 Feb 2018
- Primary completion22 Feb 2021
- Study completion22 Feb 2023
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (7)Papers the sponsor has linked to this study.
- Other trials for Esophageal CarcinomaStudies of the same condition, open and under way.
- More trials run by Zhejiang Cancer HospitalThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Enrolment
- 147 participants (actual)
Sponsor and investigators
- Lead sponsor
- Zhejiang Cancer Hospital
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Qixun Chen, Zhejiang Cancer Hospital
- Investigators
- Weimin Mao, M.D., Principal investigator, Zhejiang Caner Hospital
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT03381651
- Sponsor's protocol ID
- ZhejiangEC5040
- Acronym
- Neo-DRATEC
- Status last verified
- Mar 2022
- First submitted
- 18 Dec 2017
- Last updated
- 18 Nov 2024
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Undecided
Publications
Sjoquist KM, Burmeister BH, Smithers BM, Zalcberg JR, Simes RJ, Barbour A, Gebski V; Australasian Gastro-Intestinal Trials Group. Survival after neoadjuvant chemotherapy or chemoradiotherapy for resectable oesophageal carcinoma: an updated meta-analysis. Lancet Oncol. 2011 Jul;12(7):681-92. doi: 10.1016/S1470-2045(11)70142-5. Epub 2011 Jun 16.
PubMed 21684205Shapiro J, van Lanschot JJB, Hulshof MCCM, van Hagen P, van Berge Henegouwen MI, Wijnhoven BPL, van Laarhoven HWM, Nieuwenhuijzen GAP, Hospers GAP, Bonenkamp JJ, Cuesta MA, Blaisse RJB, Busch ORC, Ten Kate FJW, Creemers GM, Punt CJA, Plukker JTM, Verheul HMW, Bilgen EJS, van Dekken H, van der Sangen MJC, Rozema T, Biermann K, Beukema JC, Piet AHM, van Rij CM, Reinders JG, Tilanus HW, Steyerberg EW, van der Gaast A; CROSS study group. Neoadjuvant chemoradiotherapy plus surgery versus surgery alone for oesophageal or junctional cancer (CROSS): long-term results of a randomised controlled trial. Lancet Oncol. 2015 Sep;16(9):1090-1098. doi: 10.1016/S1470-2045(15)00040-6. Epub 2015 Aug 5.
PubMed 26254683Tepper J, Krasna MJ, Niedzwiecki D, Hollis D, Reed CE, Goldberg R, Kiel K, Willett C, Sugarbaker D, Mayer R. Phase III trial of trimodality therapy with cisplatin, fluorouracil, radiotherapy, and surgery compared with surgery alone for esophageal cancer: CALGB 9781. J Clin Oncol. 2008 Mar 1;26(7):1086-92. doi: 10.1200/JCO.2007.12.9593.
PubMed 18309943Gebski V, Burmeister B, Smithers BM, Foo K, Zalcberg J, Simes J; Australasian Gastro-Intestinal Trials Group. Survival benefits from neoadjuvant chemoradiotherapy or chemotherapy in oesophageal carcinoma: a meta-analysis. Lancet Oncol. 2007 Mar;8(3):226-34. doi: 10.1016/S1470-2045(07)70039-6.
PubMed 17329193Noordman BJ, Verdam MGE, Lagarde SM, Hulshof MCCM, van Hagen P, van Berge Henegouwen MI, Wijnhoven BPL, van Laarhoven HWM, Nieuwenhuijzen GAP, Hospers GAP, Bonenkamp JJ, Cuesta MA, Blaisse RJB, Busch OR, Ten Kate FJW, Creemers GM, Punt CJA, Plukker JTM, Verheul HMW, Spillenaar Bilgen EJ, van Dekken H, van der Sangen MJC, Rozema T, Biermann K, Beukema JC, Piet AHM, van Rij CM, Reinders JG, Tilanus HW, Steyerberg EW, van der Gaast A, Sprangers MAG, van Lanschot JJB. Effect of Neoadjuvant Chemoradiotherapy on Health-Related Quality of Life in Esophageal or Junctional Cancer: Results From the Randomized CROSS Trial. J Clin Oncol. 2018 Jan 20;36(3):268-275. doi: 10.1200/JCO.2017.73.7718. Epub 2017 Nov 21.
PubMed 29161204van Hagen P, Hulshof MC, van Lanschot JJ, Steyerberg EW, van Berge Henegouwen MI, Wijnhoven BP, Richel DJ, Nieuwenhuijzen GA, Hospers GA, Bonenkamp JJ, Cuesta MA, Blaisse RJ, Busch OR, ten Kate FJ, Creemers GJ, Punt CJ, Plukker JT, Verheul HM, Spillenaar Bilgen EJ, van Dekken H, van der Sangen MJ, Rozema T, Biermann K, Beukema JC, Piet AH, van Rij CM, Reinders JG, Tilanus HW, van der Gaast A; CROSS Group. Preoperative chemoradiotherapy for esophageal or junctional cancer. N Engl J Med. 2012 May 31;366(22):2074-84. doi: 10.1056/NEJMoa1112088.
PubMed 22646630Teoh AY, Chiu PW, Yeung WK, Liu SY, Wong SK, Ng EK. Long-term survival outcomes after definitive chemoradiation versus surgery in patients with resectable squamous carcinoma of the esophagus: results from a randomized controlled trial. Ann Oncol. 2013 Jan;24(1):165-71. doi: 10.1093/annonc/mds206. Epub 2012 Aug 10.
PubMed 22887465
Study at a glance
From the registry record, last updated by the sponsor on 18 Nov 2024. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Different Radiation Dose of Neoadjuvant Chemoradiation Followed by Surgery in Treating Patients with Locally Advanced, Resectable Thoracic Esophageal Cancer
- ClinicalTrials.gov ID
- NCT03381651
- Acronym / sponsor ID
- Neo-DRATEC / ZhejiangEC5040
- Conditions
- Esophageal Carcinoma, Neoadjuvant Chemoradiotherapy, Surgery
- Keywords
- Radiation dose
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 147 participants (actual)
- Lead sponsor
- Zhejiang Cancer HospitalUniversity, hospital or other
- Study start
- 22 Feb 2018 (actual)
- Primary completion
- 22 Feb 2021 (actual)
- Study completion
- 22 Feb 2023 (actual)
- First posted
- 22 Dec 2017 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Esophageal cancer is one of the most common cancers worldwide, while more than half new cases and deaths occurred in China. Surgery is the main curative treatment for this disease, the 5-year survival of EC remains poor, since most diseases are diagnosed at advanced stages.
In last decades, several large clinical trials and meta-analyses have demonstrated that neo-adjuvant chemoradiotherapy followed by surgery can significantly increase the overall survival of patients with EC compared with surgery alone, while no effect of nCRT was apparent on postoperative health-related quality of life . However, the optimal radiation dose and surgery timing are still unknown.
The investigators hypothesize that patients who receive higher dose (50.4Gy/28F) of neoadjuvant chemoradiation will have better pathologic response and progress-free survival compared to lower dose (41.4Gy/23F) of chemoradiation followed by surgery.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Higher dose (50.4Gy/28F) of neoadjuvant chemoradiation | Active comparator | Radiation: Higher dose (50.4Gy/28F) of neoadjuvant chemoradiationNeoadjuvant chemoradiation: RT: 50.4Gy/28F/5.6W; CT: paclitaxel 50mg/m2 d1, qw + CBP AUC2 d1, qw, weekly for 6 wks; Surgery: 4-6 weeks after nCRT |
| Lower dose (41.4Gy/23F) of neoadjuvant chemoradiation | Active comparator | Radiation: Lower dose (41.4Gy/23F) of neoadjuvant chemoradiationNeoadjuvant chemoradiation: RT: 41.4Gy/23F/4.6W; CT: paclitaxel 50mg/m2 d1, qw + CBP AUC2 d1, qw, weekly for 5 wks; Surgery: 4-6 weeks after nCRT |
Who may qualify
- Ages
- 18 to 75 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (7 listed)
- Age:18-70 years
- Histologically verified squamous carcinoma of the thoracic esophagus.
- Patients with performance status 0-1 according to the Eastern Cooperative Oncology Group (ECOG) scale at the pre CRT evaluation and judges to be fit for surgery at the pre and post CRT evaluations.
- Tumors should be resectable or potentially resectable and without distant metastasis, as assessed before neoadjuvant CRT, including clinical stage T2-4N0M0 or T1-4N1M0 according to the 6th AJCC system.
- Joined the study voluntarily and signed informed consent form
Key exclusion criteria (10 listed)
- Cervical esophageal cancer (The upper end of the lesion is in the esophagus of the cervical segment).
- Patients with biopsy (by endoscopic ultrasound, laparoscopy, or laparotomy) proven metastatic supraclavicular or celiac nodes are ineligible.
- Invasion of the tracheobronchial tree or aorta
- Tracheoesophageal fistula
- Concurrent pregnancy or lactation
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Higher dose (50.4Gy/28F) of neoadjuvant chemoradiation50.4Gy/28F radiation and concurrent chemotherapy with paclitaxel plus CBP used weekly | Radiation | Higher dose (50.4Gy/28F) of neoadjuvant chemoradiation |
| Lower dose (41.4Gy/23F) of neoadjuvant chemoradiation41.4Gy/23F radiation and concurrent chemotherapy with paclitaxel plus CBP used weekly | Radiation | Lower dose (41.4Gy/23F) of neoadjuvant chemoradiation |
Primary outcome
Progression free survival
Time frame: 2 year
Time from randomization to tumor progression or any deaths
5 secondary outcomes
R0 resection rate in each arm
Time frame: analysis is completed 4 weeks after surgery
Complete pathological response rate
Time frame: analysis is completed 4 weeks after surgery
Postoperative complications in each study arm
Time frame: 30 and 90 days after surgery
Treatment failure pattern
Time frame: 2 year
Overall survival
Time frame: 5 year
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 18 Nov 2024.
- Background: PubMed 21684205Sjoquist KM, Burmeister BH, Smithers BM, Zalcberg JR, Simes RJ, Barbour A, Gebski V; Australasian Gastro-Intestinal Trials Group. Survival after neoadjuvant chemotherapy or chemoradiotherapy for resectable oesophageal carcinoma: an updated meta-analysis. Lancet Oncol. 2011 Jul;12(7):681-92. doi: 10.1016/S1470-2045(11)70142-5. Epub 2011 Jun 16.
- Background: PubMed 26254683Shapiro J, van Lanschot JJB, Hulshof MCCM, van Hagen P, van Berge Henegouwen MI, Wijnhoven BPL, van Laarhoven HWM, Nieuwenhuijzen GAP, Hospers GAP, Bonenkamp JJ, Cuesta MA, Blaisse RJB, Busch ORC, Ten Kate FJW, Creemers GM, Punt CJA, Plukker JTM, Verheul HMW, Bilgen EJS, van Dekken H, van der Sangen MJC, Rozema T, Biermann K, Beukema JC, Piet AHM, van Rij CM, Reinders JG, Tilanus HW, Steyerberg EW, van der Gaast A; CROSS study group. Neoadjuvant chemoradiotherapy plus surgery versus surgery alone for oesophageal or junctional cancer (CROSS): long-term results of a randomised controlled trial. Lancet Oncol. 2015 Sep;16(9):1090-1098. doi: 10.1016/S1470-2045(15)00040-6. Epub 2015 Aug 5.
- Background: PubMed 18309943Tepper J, Krasna MJ, Niedzwiecki D, Hollis D, Reed CE, Goldberg R, Kiel K, Willett C, Sugarbaker D, Mayer R. Phase III trial of trimodality therapy with cisplatin, fluorouracil, radiotherapy, and surgery compared with surgery alone for esophageal cancer: CALGB 9781. J Clin Oncol. 2008 Mar 1;26(7):1086-92. doi: 10.1200/JCO.2007.12.9593.
- Background: PubMed 17329193Gebski V, Burmeister B, Smithers BM, Foo K, Zalcberg J, Simes J; Australasian Gastro-Intestinal Trials Group. Survival benefits from neoadjuvant chemoradiotherapy or chemotherapy in oesophageal carcinoma: a meta-analysis. Lancet Oncol. 2007 Mar;8(3):226-34. doi: 10.1016/S1470-2045(07)70039-6.
- Background: PubMed 29161204Noordman BJ, Verdam MGE, Lagarde SM, Hulshof MCCM, van Hagen P, van Berge Henegouwen MI, Wijnhoven BPL, van Laarhoven HWM, Nieuwenhuijzen GAP, Hospers GAP, Bonenkamp JJ, Cuesta MA, Blaisse RJB, Busch OR, Ten Kate FJW, Creemers GM, Punt CJA, Plukker JTM, Verheul HMW, Spillenaar Bilgen EJ, van Dekken H, van der Sangen MJC, Rozema T, Biermann K, Beukema JC, Piet AHM, van Rij CM, Reinders JG, Tilanus HW, Steyerberg EW, van der Gaast A, Sprangers MAG, van Lanschot JJB. Effect of Neoadjuvant Chemoradiotherapy on Health-Related Quality of Life in Esophageal or Junctional Cancer: Results From the Randomized CROSS Trial. J Clin Oncol. 2018 Jan 20;36(3):268-275. doi: 10.1200/JCO.2017.73.7718. Epub 2017 Nov 21.
- Background: PubMed 22646630van Hagen P, Hulshof MC, van Lanschot JJ, Steyerberg EW, van Berge Henegouwen MI, Wijnhoven BP, Richel DJ, Nieuwenhuijzen GA, Hospers GA, Bonenkamp JJ, Cuesta MA, Blaisse RJ, Busch OR, ten Kate FJ, Creemers GJ, Punt CJ, Plukker JT, Verheul HM, Spillenaar Bilgen EJ, van Dekken H, van der Sangen MJ, Rozema T, Biermann K, Beukema JC, Piet AH, van Rij CM, Reinders JG, Tilanus HW, van der Gaast A; CROSS Group. Preoperative chemoradiotherapy for esophageal or junctional cancer. N Engl J Med. 2012 May 31;366(22):2074-84. doi: 10.1056/NEJMoa1112088.
- Background: PubMed 22887465Teoh AY, Chiu PW, Yeung WK, Liu SY, Wong SK, Ng EK. Long-term survival outcomes after definitive chemoradiation versus surgery in patients with resectable squamous carcinoma of the esophagus: results from a randomized controlled trial. Ann Oncol. 2013 Jan;24(1):165-71. doi: 10.1093/annonc/mds206. Epub 2012 Aug 10.
- Individual participant dataSharing planned: Undecided
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Weimin Mao, M.D. principal investigator
Zhejiang Caner Hospital
2 sites in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Higher dose (50.4Gy/28F) of neoadjuvant chemoradiation and Lower dose (41.4Gy/23F) of neoadjuvant chemoradiation in people with Esophageal Carcinoma and Neoadjuvant Chemoradiotherapy, run by Zhejiang Cancer Hospital at 2 sites in China.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 7 inclusion and 10 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 18 Nov 2024. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 2 sites in China. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Progression free survival (time frame: 2 year). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT03381651, which also lists 7 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 18 Nov 2024.